Patents by Inventor Rhydwyn William Barnfield

Rhydwyn William Barnfield has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Catalysts sputtered on substantially nonporous low surface area particulate supports
    Patent number: 4046712
    Abstract: In catalytic gas phase reactions there is used a catalyst comprising a sputtered deposit of catalytic material equivalent to between 0.5 and 5 monatomic layers upon a hard, substantially non-porous substrate. The substrate being hard and non-porous is of low surface area, that is not greater than 20 square meters per gram, and preferably comprises particles having a size in the range 0.1 micron to 0.5 centimeters.
    Type: Grant
    Filed: June 16, 1975
    Date of Patent: September 6, 1977
    Assignee: United Kingdom Atomic Energy Authority
    Inventors: James Anthony Cairns, Richard Stuart Nelson, Rhydwyn William Barnfield